Hadoop TaskTracker RPC activity (HADOOP_TASKTRACKER_RPCACTIVITY)
The HADOOP_TASKTRACKER_RPCACTIVITY application class monitors the RPC activities of the TaskTracker. The Hadoop KM gathers these attributes by executing the following query:
<TaskTracker jmx url>?qry=Hadoop:service=TaskTracker,name=RpcActivity.*
where,
<TaskTracker jmx url> Java Management Extensions url, http://<<TaskTracker name>>:<<TaskTracker port>>/jmx
qry is Hadoop by default
service contains the type of the group, for example, DataNode, ResourceManager, JobTracker, ResourceManager, TaskTracker and other available groups
name contains the type of metrics data you want to collect and display, for example, JVMmetrics, Queuemetrics, RPCactivity and other available metrics types
Application class attributes
Item | Description |
---|---|
Active | Yes |
Created by | Discovery |
Parent class |
|
Child class | None |
Attributes (parameters)
- Call queue length (CallQueueLength)
- Num open connections (NumOpenConnections)
- Received bytes (ReceivedBytes)
- RPC authentication failures (RpcAuthenticationFailures)
- RPC authentication successes (RpcAuthenticationSuccesses)
- RPC authorization failures (RpcAuthorizationFailures)
- RPC authorization successes (RpcAuthorizationSuccesses)
- RPC processing time avg time (RpcProcessingTimeAvgTime)
- RPC processing time num ops (RpcProcessingTimeNumOps)
- RPC queue time avg time (RpcQueueTimeAvgTime)
- RPC queue time num ops (RpcQueueTimeNumOps)
- Sent bytes (SentBytes)
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